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Effect of the cement raw meal rate value on SNCR deNOx efficiency with NH3 as reducing agent

  • Ya Li Wang*
  • , Nan Li
  • , Hong Zhan Zhang
  • , Su Ping Cui
  • , Yun Ning Zhang
  • *此作品的通讯作者
  • Beijing University of Technology

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

Many complex factors can affect the process of SNCR in cement calciner, and the cement raw meal rate value is a relatively important one. In the present study the influence of the cement raw meal rate value on the SNCR denitration efficiency was investigated in a tubular reactor with a space velocity of 27000 ml/h in the temperature range of 700-1100 °C, and the oxygen concentration was 5% and both the inlet concentration of NO and NH3 was designed as 1000ppm. The results showed that the denitrification rate of SNCR decreased with the increase of the lime saturation factor (KH) of cement raw meal and increased with the increase of aluminum rate (IM) of cement raw meal at 700~900 ℃recommended that the cement raw meal with low KH, medium silica acid rate (SM) and high IM should be used. In the temperature range of 900~1100 ℃ the denitrification efficiency of SNCR increased with the KH and decreased with the increase of IM. Based on the experimenyal results it is suggested that the cement raw meal with high KH, high SM and low IM should be adopted.

源语言英语
主期刊名Functional and Functionally Structured Materials III
编辑Yafang Han
出版商Trans Tech Publications Ltd.
页1215-1220
页数6
ISBN(印刷版)9783035713848
DOI
出版状态已出版 - 2018
已对外发布是
活动Chinese Materials Conference, 2018 - Fujian, 中国
期限: 12 7月 2018 → 16 7月 2018

丛书

姓名Materials Science Forum
卷944 MSF
ISSN(印刷版)0255-5476
ISSN(电子版)1662-9752

会议

会议Chinese Materials Conference, 2018
国家/地区中国
市Fujian
时期12/07/18 → 16/07/18

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